674265437 has 4 divisors (see below), whose sum is σ = 674350560. Its totient is φ = 674180316.

The previous prime is 674265409. The next prime is 674265439. The reversal of 674265437 is 734562476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674265437 - 2²⁸ = 405829981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674265439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29303 + ... + 46980.

It is an arithmetic number, because the mean of its divisors is an integer number (168587640).

Almost surely, 2^674265437 is an apocalyptic number.

It is an amenable number.

674265437 is a deficient number, since it is larger than the sum of its proper divisors (85123).

674265437 is an equidigital number, since it uses as much as digits as its factorization.

674265437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85122.

The product of its digits is 846720, while the sum is 44.

The square root of 674265437 is about 25966.6215938847. The cubic root of 674265437 is about 876.8870022270.

The spelling of 674265437 in words is "six hundred seventy-four million, two hundred sixty-five thousand, four hundred thirty-seven".